2024-06-01_ecffa5e04cc50023516ceff92cd925fe_bkransomware_poet-rat_sliver

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General

Target

2024-06-01_ecffa5e04cc50023516ceff92cd925fe_bkransomware_poet-rat_sliver
Size

145.3MB
MD5

ecffa5e04cc50023516ceff92cd925fe
SHA1

d01e930d7395c1899e0b8b3b559f7b44e0c2ba0f
SHA256

7522f5a947e28e35f69cb7cc435d9cdf40abf64b52d503882d9ed01a740d8135
SHA512

4b2eb19edee83d70f45847ddeab4032bf897094e7b55aa22c528e4e9463608117a323b2467d8e74103cf159f48b0e895aee11d5b730c6a6ef0833ea76a011643
SSDEEP

1572864:O4z8EglB9lr+fvnbRh6NdybyT1taJ8dpzsyB:Omclbsom8XzXB

Score

10^/10

Malware Config

Signatures

Detects executables containing URLs to raw contents of a Github gist 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-01_ecffa5e04cc50023516ceff92cd925fe_bkransomware_poet-rat_sliver

Files

2024-06-01_ecffa5e04cc50023516ceff92cd925fe_bkransomware_poet-rat_sliver
.exe windows:6 windows x64 arch:x64

da9d0b8b1b65807fc29a8f6c7f6cee37

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

d:\build\ob\bora-21059475\vos3\thinstall\modules\boot_loader64.pdb

Imports

kernel32

WaitForSingleObject
Sleep
CloseHandle
DuplicateHandle
CreateProcessW
GetStartupInfoW
GetEnvironmentVariableW
GetCurrentProcess
GetFileAttributesW
DeleteFileW
FindFirstFileW
FindNextFileW
CopyFileW
MoveFileW
MoveFileExW
SetEnvironmentVariableW
GetCommandLineW
GetModuleHandleW
GetModuleFileNameW
GetLastError
ExpandEnvironmentStringsW
CreateFileW
FlushFileBuffers
WriteConsoleW
SetStdHandle
OutputDebugStringW
LCMapStringW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapReAlloc
LoadLibraryExW
WriteFile
LeaveCriticalSection
EnterCriticalSection
HeapSize
GetStringTypeW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
HeapAlloc
IsProcessorFeaturePresent
IsDebuggerPresent
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
InitializeCriticalSectionAndSpinCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlCaptureContext
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
HeapFree
DeleteCriticalSection
GetFileType
GetStdHandle
GetProcessHeap
WideCharToMultiByte
MultiByteToWideChar
GetModuleHandleExW
DecodePointer
EncodePointer
RaiseException
RtlPcToFileHeader
RtlUnwindEx
RtlLookupFunctionEntry
GetCommandLineA
LoadLibraryW
GetProcAddress
GetCurrentThreadId
ExitProcess
FormatMessageW
SetLastError
LocalFree

user32

wsprintfW
MessageBoxW

ntdll

NtWriteVirtualMemory
RtlSetSaclSecurityDescriptor
RtlSetDaclSecurityDescriptor
RtlFreeSid
RtlAddAccessAllowedAce
RtlLengthSid
RtlCreateSecurityDescriptor
RtlAllocateAndInitializeSid
NtReadVirtualMemory
NtSetInformationProcess
NtRaiseHardError
NtTerminateProcess
NtQueryInformationProcess
RtlFreeHeap
RtlAllocateHeap
RtlRaiseException
NtReleaseMutant
NtCreateMutant
NtSetEvent
NtOpenEvent
NtQueryVirtualMemory
NtSetInformationFile
NtQueryDirectoryFile
NtProtectVirtualMemory
NtCreateEvent
LdrUnloadDll
LdrLoadDll
NtReadFile
NtQueryFullAttributesFile
NtQueryInformationFile
NtOpenFile
NtMapViewOfSection
NtCreateSection
RtlMultiByteToUnicodeN
LdrGetProcedureAddress
RtlQueryEnvironmentVariable_U
RtlCompareUnicodeString
RtlInitAnsiString
NtAllocateVirtualMemory
RtlGetVersion
RtlLeaveCriticalSection
RtlEnterCriticalSection
RtlInitializeCriticalSection
NtDuplicateObject
NtWaitForSingleObject
LdrGetDllHandle
NtDelayExecution
RtlFreeAnsiString
RtlUnicodeStringToAnsiString
NtOpenDirectoryObject
RtlInitUnicodeString
NtQuerySystemInformation
NtOpenSection
NtUnmapViewOfSection
NtClose
RtlNtStatusToDosError
NtClearEvent
RtlCreateAcl

Sections

.text
Size: 114KB - Virtual size: 113KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 53KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 176KB - Virtual size: 185KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 804KB - Virtual size: 804KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

da9d0b8b1b65807fc29a8f6c7f6cee37

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

ntdll

Sections

.text Size: 114KB - Virtual size: 113KB

.rdata Size: 53KB - Virtual size: 53KB

.data Size: 176KB - Virtual size: 185KB

.pdata Size: 6KB - Virtual size: 6KB

.rsrc Size: 804KB - Virtual size: 804KB

.text
Size: 114KB - Virtual size: 113KB

.rdata
Size: 53KB - Virtual size: 53KB

.data
Size: 176KB - Virtual size: 185KB

.pdata
Size: 6KB - Virtual size: 6KB

.rsrc
Size: 804KB - Virtual size: 804KB